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| Bus Converter 48V Input / 9.4V Output / 70A 07CN-70S10L * * * * * PRELIMINARY Ideal for Intermediate Bus Architectures Industry standard half-brick package Up to 500W at 96.5% efficiency 1500V isolation Safety Agency Approvals Description The 07CN-70S "Cimarron" Series are isolated DC/DC converters that operate from a nominal 48V source. These converters are intended to provide isolation and step down to generate an intermediate bus for the purpose of powering non-isolated Point-of-Load (POL) converters. These units will provide up to 500W of output power from a 48V input. These units are designed to be highly efficient and very low cost and are thus unregulated. The downstream POL converters will provide the precise regulation required by the load. Features include remote on/off, over current protection and undervoltage lockout. These converters are provided in an industry standard half-brick package. Part Selection Output Voltage 9.4V Input Voltage 48V Max. Output Current 70A Max. Output Power 500W Typical Efficiency 96.5% Model Number 07CN-70S10L Input Specifications Parameter Input Voltage Range Input Current (no load) Input Current (full load) Reflected Ripple Current (pk-pk) Undervoltage Lockout Turn-on Turn off Overvoltage Lockout Min 36 VDC Typ Max 55 VDC 165mA 15A 5mA rms 15mA pk-pk Notes with a 12uH source inductor at nom. Vin and full load. 35 VDC 33 VDC 57.5 VDC Output Specifications Parameter Output Voltage 36Vin 48Vin 55Vin Output Current Output Power Load Regulation Ripple and Noise Load Capacitance 0uF 0A 0.25V 160mV pk-pk 3000uF 0 to 20MHz Bandwidth Use 4, 1uF ceramic caps and 2, 15F tantalum capacitor on output Min Typ 7.1 9.4 10.8 70A 500W Max Notes Setpoint at no load. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com Bus Converter 48V Input / 9.4V Output / 70A Output Specifications (continued) Parameter Transient Response Max deviation Recovery to within 1% Min Typ 150mV 150uS Max 200mV 200uS Notes di/dt =0 .1A/uS, Vin =48VDC Ta = 25C, 25% load change. General Specifications Parameter Switching Frequency Dimensions inches mm Weight Operating Temperature Non-Operating Temperature Overtemp Shutdown Protection Features Short circuit Over current Undervoltage Overvoltage Remote On/Off Active Low (Optional Active High) Turn on delay Outupt voltage rise time Safety Agency Approvals (pending) Low: 0V to 0.6V High: 1.0 V to 18V 3mS (typ.) 6.5mS (typ.) UL / cUL Recognized Certified to EN60950 Latching 110% to 125% max Io UVLO Vin < 35.0 OVSD Vin>57.0 Specification 100kHz typical (fixed) 2.28 x 2.4 x .41 57.9 x 61.0x 10.4 TBD -40C to 85C -55C to 125C 135C (10C hysteresis) Note: measured on Q9 Pin Connections Pin 1 2 3 4 5 2.28 (57.9) Function + Vin Remote On/Off - Vin - Vout + Vout 0.4 (10.2) 1 1.4 (35.6) 5 Top View 1.4 (35.6) 2.4 (61.0) 2 3 4 2004 Bel Fuse Inc. Specifications subject to change without notice 021104 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com |
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